import * as fs from 'fs'
import moment from 'moment'
import * as path from 'path'
import pdf from 'pdf-creator-node'
import { uploadLocalFile } from './storage'
import { logger } from './logger'
import GeneralUtils from './general'

export const generate = async ({
  data,
  fileName = String(moment().unix()),
  templateName,
}: {
  data: Record<string, unknown>
  fileName: string
  templateName: string
}): Promise<string> => {
  const html = fs.readFileSync(path.join(__dirname, `/../templates/${templateName}`), 'utf8')
  const formattedFileName = GeneralUtils.cleanString(fileName)

  const options = {
    format: 'A4',
    orientation: 'portrait',
    border: '7mm',
  }

  const localPath = path.join(__dirname, `/../tmp/${formattedFileName}.pdf`)

  const document = {
    html,
    data,
    path: localPath,
  }

  await pdf.create(document, options)

  const uploadedData = await uploadLocalFile(localPath)

  fs.unlink(localPath, logger.error)

  return Promise.resolve(uploadedData.metadata.mediaLink)
}